diff options
| -rw-r--r-- | miscutils/less.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/miscutils/less.c b/miscutils/less.c index 246cc6e9b..f3be2cfbf 100644 --- a/miscutils/less.c +++ b/miscutils/less.c @@ -172,12 +172,9 @@ static void set_tty_cooked(void) /* Exit the program gracefully */ static void less_exit(int code) { - /* TODO: We really should save the terminal state when we start, - * and restore it when we exit. Less does this with the - * "ti" and "te" termcap commands; can this be done with - * only termios.h? */ bb_putchar('\n'); - fflush_stdout_and_exit(code); + set_tty_cooked(); + exit(code); /* TODO: "suicide mode" for code == -signal */ } /* Move the cursor to a position (x,y), where (0,0) is the @@ -754,6 +751,7 @@ static char* less_gets(int sz) less_gets_pos = sz + i; getch_nowait(&c, 1); if (c == 0x0d) { + result[i] = '\0'; less_gets_pos = -1; return result; } @@ -762,7 +760,6 @@ static char* less_gets(int sz) if (c == 8 && i) { printf("\x8 \x8"); i--; - result[i] = '\0'; } if (c < ' ') continue; @@ -771,7 +768,6 @@ static char* less_gets(int sz) bb_putchar(c); result[i++] = c; result = xrealloc(result, i+1); - result[i] = '\0'; } } @@ -1334,8 +1330,7 @@ static void keypress_process(int keypress) static void sig_catcher(int sig ATTRIBUTE_UNUSED) { - set_tty_cooked(); - exit(1); + less_exit(1) /* TODO: "suicide mode" for code == -signal */ } int less_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; @@ -1382,8 +1377,6 @@ int less_main(int argc, char **argv) if (option_mask32 & FLAG_TILDE) empty_line_marker = ""; - bb_signals(BB_SIGS_FATAL, sig_catcher); - tcgetattr(kbd_fd, &term_orig); term_less = term_orig; term_less.c_lflag &= ~(ICANON | ECHO); @@ -1392,6 +1385,9 @@ int less_main(int argc, char **argv) term_less.c_cc[VMIN] = 1; term_less.c_cc[VTIME] = 0; + /* We want to restore term_orig on exit */ + bb_signals(BB_SIGS_FATAL, sig_catcher); + reinitialize(); while (1) { keypress = less_getch(-1); /* -1: do not position cursor */ |